	#include<iostream>
	using namespace std;
	const int N = 1e5 + 10;
	int arr[N];
	int s[N];
	int n;
	int main()
	{
		cin >> n;
		for (int i = 1; i <= n; i++) {
			cin >> arr[i];
			s[i] = s[i - 1] + arr[i];
		}
		cout << n << endl;
		for (int i = 1; i <= n; i++) {
			cout << s[i] << endl;
		}
		return 0;
	}